lance armstrong continues his downhill spin. the discgraced cyclist is now under an active criminal investigation by federal authorities according to a-b-c news. the focus is reportedly obstruction, witness tampering and intimidation. armstrong gave his first interview last month since being stripped of his seven tour de france titles. the u.s. postal service is cutting down its delivery days. the struggling agency will eliminate mail service on saturdays starting in august. packages will still be delivered, however, and some post offices will stay open on saturdays. look for more changes - politico reports the agency will release a five-year financial plan early next month. in earnings news, investors sized up what they heard from ralph lauren and liked it. the stock gained nearly $10 yesterday as the company reported stronger-than-expected sales, especially during the holidays. the stock is up more than $30 in the past few months. cvs gained customers despite its dispute with rival walgreens. the pharmacy even lifted its forec